Table 1

Study sampling frame

GroupWesternSouthernNorthernEasternEast MalaysiaSample sizeData collection method
Government, policy and NGO1010IDI
Caterers101010101050IDI
Food industry5555525IDI
Street vendors5555525FGD
Consumers3535353535175FGD
Total6555555555285
  • FGD, focus group discussion; IDI, in-depth interview; NGO, non-governmental organisation.